California Organized Investment Network (COIN) Is a Collaborative Effort Between the California Department of Insurance, the Insurance Industry, Community Affordable Housing and Economic Development Organizations, and Community Advocates.

The Investigation Division investigates suspected fraud committed by insurance agents, brokers, public adjusters, bail agents, insurance companies and other individuals and entities transacting the business of insurance who perpetrate fraud against consumers.

Guide to Medicare Supplement

To purchase Medicare Supplement Insurance you must be enrolled in Medicare Part A and Part B. Medicare Supplement Insurance (also known as Medigap) provides coverage for gaps in medical costs not covered by Medicare. Medicare Supplement plans are standardized and offer various benefits to help offset your healthcare cost.

The California Department of Insurance (CDI) regulates Medicare Supplement policies underwritten by licensed insurance companies. The CDI assists consumers in resolving complaints and disputes concerning premium rates, claims handling, and many other problems with agents or companies. The Consumer Hotline 800-927-4357 is serviced by experienced professionals who will answer your questions, or assist you in filing a complaint.

To find information on Medicare Supplement Insurance, the names of companies authorized to sell it and compare premiums, please visit our Guide to Medicare Supplement page.